diff --git a/ReflectionAnalyzers.Tests/ReflectionAnalyzers.Tests.csproj b/ReflectionAnalyzers.Tests/ReflectionAnalyzers.Tests.csproj
index f0ff75b7..37aaf11f 100644
--- a/ReflectionAnalyzers.Tests/ReflectionAnalyzers.Tests.csproj
+++ b/ReflectionAnalyzers.Tests/ReflectionAnalyzers.Tests.csproj
@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net472</TargetFramework>
-    <CodeAnalysisRuleSet>ReflectionAnalyzers.Tests.ruleset</CodeAnalysisRuleSet>
+    <TargetFramework>net48</TargetFramework>
+    <LangVersion>latest</LangVersion>
+    <Nullable>Enable</Nullable>
     <NeutralLanguage>en-US</NeutralLanguage>
+    <CodeAnalysisRuleSet>ReflectionAnalyzers.Tests.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/ReflectionAnalyzers/ReflectionAnalyzers.csproj b/ReflectionAnalyzers/ReflectionAnalyzers.csproj
index f736f638..134c4173 100644
--- a/ReflectionAnalyzers/ReflectionAnalyzers.csproj
+++ b/ReflectionAnalyzers/ReflectionAnalyzers.csproj
@@ -2,11 +2,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <LangVersion>8</LangVersion>
+    <LangVersion>latest</LangVersion>
     <Nullable>Enable</Nullable>
-    <NeutralLanguage>en-US</NeutralLanguage>
     <CodeAnalysisRuleSet>ReflectionAnalyzers.ruleset</CodeAnalysisRuleSet>
-    <NoWarn>$(NoWarn);IDE0009</NoWarn>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -24,6 +22,7 @@
   <PropertyGroup>
     <DevelopmentDependency>true</DevelopmentDependency>
     <Description>Analyzers for System.Reflection</Description>
+    <NeutralLanguage>en-US</NeutralLanguage>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/DotNetAnalyzers/ReflectionAnalyzers</PackageProjectUrl>
     <RepositoryUrl>https://github.com/DotNetAnalyzers/ReflectionAnalyzers</RepositoryUrl>
diff --git a/ValidCode/ValidCode.csproj b/ValidCode/ValidCode.csproj
index 564709d1..dc86b896 100644
--- a/ValidCode/ValidCode.csproj
+++ b/ValidCode/ValidCode.csproj
@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net472</TargetFramework>
+    <TargetFramework>net48</TargetFramework>
+    <LangVersion>latest</LangVersion>
+    <Nullable>Enable</Nullable>
     <NeutralLanguage>en-US</NeutralLanguage>
     <CodeAnalysisRuleSet>ValidCode.ruleset</CodeAnalysisRuleSet>
     <NoWarn>IDE0051,IDE0052,IDE0058,IDE0059,IDE0060,IDE0067,IDE0068,IDE0069</NoWarn>